Patents by Inventor Soon Gyu LEE
Soon Gyu LEE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240136618Abstract: An aluminum pouch film for a secondary battery is disclosed. The aluminum pouch film includes an aluminum film layer; an outer resin layer deposited on one surface of the aluminum film layer; and an inner resin layer deposited on the other surface of the aluminum film layer, wherein the inner resin layer comprises a polyolefin resin, an ethylene vinyl alcohol copolymer (EVOH) and a maleic anhydride polypropylene (MAHPP) resin.Type: ApplicationFiled: December 10, 2021Publication date: April 25, 2024Applicant: SBTL ADVANCED MATERALS CO., LTD.Inventors: Jun Ho SHIM, Sang Wook CHUN, Sung II PARK, Pill Gyu JANG, Soon Sik LEE
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Patent number: 11960667Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes, a plurality of tilt sensing patterns including a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns, and a main processor. The main processor receives detected image data corresponding to the plurality of tilt sensing patterns from a position input device, and determines arrangement direction information and tilt information of the position input device by comparing the detected image data with each other.Type: GrantFiled: September 9, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Soon Gyu Lee
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Patent number: 11941195Abstract: A display device includes: a display unit including pixels; a touch sensing unit disposed on the display unit and including touch electrodes; a fingerprint sensing unit including fingerprint sensors; a touch driver configured to drive the touch sensing unit to sense a touch of a touch input member; a fingerprint sensor driver configured to drive the fingerprint sensors to sense a fingerprint of a user in a first mode and to drive the fingerprint sensing unit in synchronization with the touch driver to sense a touch of the user in a second mode; and a main processor configured to perform a task based on sensing information of the fingerprint of the user received from the fingerprint sensor driver in the first mode and to perform a task based on sensing information of the touch input member and sensing information of the touch of the user in the second mode.Type: GrantFiled: December 3, 2021Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventor: Soon Gyu Lee
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Patent number: 11921961Abstract: A display device including a non-sensing area and a sensing area with a first sensing area and a second sensing area spaced apart from each other in a first direction, includes a light emitting element emitting light, and a sensor unit including a plurality of first sensor electrodes disposed in the first sensing area and extending in the first direction, a plurality of second sensor electrodes disposed in the second sensing area and extending in the first direction, a plurality of third sensor electrodes disposed in the first sensing area and extending in a second direction different from the first direction, a plurality of fourth sensor electrodes disposed in the second sensing area and extending in the second direction, and a connection pattern disposed in the non-sensing area. The connection pattern electrically connects the plurality of third sensor electrodes to the plurality of fourth sensor electrodes.Type: GrantFiled: April 20, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon Gyu Lee, Hyun Wook Cho
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Publication number: 20240046887Abstract: A display device includes: display pixels in a display area of a display panel; light-sensing pixels alternately arranged with the display pixels in the display area; a display scan driver configured to sequentially provide display scan signals to the display pixels through display scan lines; a flicker detection circuit configured to detect an occurrence of flicker in the display area by using light-sensing signals received from the light-sensing pixels; a touch sensing circuit configured to detect a touch from a user and coordinate data of a location of the touch via touch electrodes of a touch sensor; and a main driving circuit configured to maintain or change a driving mode of the touch sensor in units of at least one frame based on a flicker detection result and a flicker degree analysis result from the flicker detection circuit.Type: ApplicationFiled: April 27, 2023Publication date: February 8, 2024Inventors: So Young PARK, Soon Gyu LEE
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Patent number: 11809661Abstract: A display device includes a display panel for displaying an image, a touch sensor operating in one of a normal sensing mode in which a surface touch is recognized and a proximity sensing mode in which a hovering touch is recognized, and a touch driver for supplying a touch driving signal including a plurality of driving pulses to the touch sensor during a sensing period, and receiving a touch sensing signal from the touch sensor. In the proximity sensing mode, the touch driver sets a noise period including a first noise period and a second noise period in the sensing period, and decreases a number of times the driving pulses are supplied during the second noise period when it is determined that a variation of the image is greater than a predetermined reference variation.Type: GrantFiled: March 10, 2023Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Soon Gyu Lee
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Patent number: 11810393Abstract: A fingerprint authentication device includes a biometric sensor configured to generate a sensing signal by sensing biometric information, an image processor configured to generate a fingerprint image based on the sensing signal, a singular point determiner circuit configured to select at least one fingerprint piece based on the fingerprint image or the sensing signal, and determine a singular point of the fingerprint image by analyzing the selected at least one fingerprint piece, and an authenticator circuit. The image processor is further configured to extract an interest region including the singular point from the fingerprint image based on a coordinate of the singular point, and the authenticator circuit is configured to perform fingerprint authentication by comparing the interest region with registered fingerprint information.Type: GrantFiled: June 8, 2021Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon Gyu Lee, Jin A Kang, Jin Woo Kim
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Patent number: 11782553Abstract: A display device including: a pixel part including pixels; a sensor part overlapping the pixel part and including sensors; and a sensor driver that transmits a sensing signal to p sensors in a first area of the sensor part in a first mode, transmits the sensing signal to q sensors in the first area in a second mode, and transmits the sensing signal to r sensors in the first area in a third mode, wherein p is an integer greater than 0, q and r are integers greater than p, and the sensor driver sets a sensing frequency, the first area, the number of sensing times per sensing frame period, whether or not the sensor driver is synchronized with a timing signal of the pixel part, or a voltage level of the sensing signal, to be different in the second mode and the third mode.Type: GrantFiled: March 2, 2022Date of Patent: October 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Soon Gyu Lee
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Publication number: 20230315225Abstract: A display device includes: a display panel including a sensing area having display pixels and sensing pixels; a sensing panel overlapping with the display panel, the sensing panel including sensing electrodes; a fingerprint sensor overlapping with the sensing panel, the fingerprint sensor having light emitting elements of the display pixels and light receiving elements of the sensing pixels; a panel driver configured to drive the display panel; and a sensor driver configured to drive the sensing panel and the fingerprint sensor, wherein the panel driver and the sensor driver are configured to vary a driving mode according to an operation of the fingerprint sensor.Type: ApplicationFiled: March 1, 2023Publication date: October 5, 2023Inventor: Soon Gyu LEE
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Publication number: 20230297191Abstract: A touch detection module includes a plurality of driving electrodes that extends in parallel; a plurality of sensing electrodes that intersect the plurality of driving electrodes; and a touch driving circuit that supplies touch driving signals to the plurality of driving electrodes and detects touch position coordinates by detecting touch sensing signals through the plurality of sensing electrodes. The touch driving circuit changes a driving mode according to at least one of a noise level, an object detection result, or a touch position detection result.Type: ApplicationFiled: March 15, 2023Publication date: September 21, 2023Inventor: Soon Gyu Lee
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Publication number: 20230251728Abstract: A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes, a plurality of tilt sensing patterns including a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns, and a main processor. The main processor receives detected image data corresponding to the plurality of tilt sensing patterns from a position input device, and determines arrangement direction information and tilt information of the position input device by comparing the detected image data with each other.Type: ApplicationFiled: September 9, 2022Publication date: August 10, 2023Inventor: Soon Gyu LEE
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Publication number: 20230214061Abstract: A display device includes a display panel for displaying an image, a touch sensor operating in one of a normal sensing mode in which a surface touch is recognized and a proximity sensing mode in which a hovering touch is recognized, and a touch driver for supplying a touch driving signal including a plurality of driving pulses to the touch sensor during a sensing period, and receiving a touch sensing signal from the touch sensor. In the proximity sensing mode, the touch driver sets a noise period including a first noise period and a second noise period in the sensing period, and decreases a number of times the driving pulses are supplied during the second noise period when it is determined that a variation of the image is greater than a predetermined reference variation.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Inventor: Soon Gyu LEE
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Publication number: 20230177997Abstract: A method for driving a display device is performed by the display device. The method includes: displaying a first image including user convenience information through a display panel; generating sensing data corresponding to a fingerprint sensing area by using a photoelectric sensor; and determining whether a sensed fingerprint corresponding to the sensing data is a fake fingerprint by comparing expected sensing light illuminance information based on the first image with sensed light illuminance information of the sensing data. The first image includes a first color pattern in the fingerprint sensing area of the display panel. A fake-determination image pattern includes the first color pattern and a second color pattern different from the first color pattern.Type: ApplicationFiled: February 3, 2023Publication date: June 8, 2023Inventors: Soon Gyu LEE, Jin Woo KIM, Jin A KANG, Young Sik KIM
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Patent number: 11651580Abstract: A fingerprint authentication device includes: a sensor unit configured to output a sensing signal by sensing a fingerprint; an image processing unit configured to generate a fingerprint image based on the sensing signal; a storage unit configured to store a template including an enrolled image; and a learning unit configured to generate a first pseudo image and add the first pseudo image to the template.Type: GrantFiled: March 19, 2021Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Soon Gyu Lee, Jin A Kang, Mi Young Kim, Jin Woo Kim, Kyoung Hun Been, Byeong Kyu Jeon
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Patent number: 11635852Abstract: A display device including: a sensor part including sensors; a sensor driver that transmits a sensing signal to p sensors of a first area of the sensor part in a first mode and a sensing signal to q sensors in the first area in a second mode; and a display driver that transmits a light emitting signal to pixels for the pixels to have s non-light emitting periods during one frame period in the first mode, and the light emitting signal to the pixels for the pixels have t non-light emitting periods during the one frame period in the second mode, wherein p is an integer larger than 0, q is an integer larger than p, s and t are integers larger than 1, and a sum of lengths of the t non-light emitting periods is larger than a sum of lengths of the s non-light emitting periods.Type: GrantFiled: March 2, 2022Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Soon Gyu Lee
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Publication number: 20230094019Abstract: A display device includes a display panel. The display panel includes pixels. A sensor layer overlaps the display panel and includes sensors. A sensor driver is configured to transmit a driving signal to the sensors and receive sensing signals from the sensors. The sensor driver is configured to transmit a first driving signal to the sensors to detect a first sensing area where a touch occurs in a first mode, and to transmit a second driving signal to at least a portion of the sensors corresponding to a second sensing area different from the first sensing area in a second mode.Type: ApplicationFiled: June 7, 2022Publication date: March 30, 2023Inventor: Soon Gyu LEE
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Publication number: 20230094957Abstract: A display device including a non-sensing area and a sensing area with a first sensing area and a second sensing area spaced apart from each other in a first direction, includes a light emitting element emitting light, and a sensor unit including a plurality of first sensor electrodes disposed in the first sensing area and extending in the first direction, a plurality of second sensor electrodes disposed in the second sensing area and extending in the first direction, a plurality of third sensor electrodes disposed in the first sensing area and extending in a second direction different from the first direction, a plurality of fourth sensor electrodes disposed in the second sensing area and extending in the second direction, and a connection pattern disposed in the non-sensing area.Type: ApplicationFiled: April 20, 2022Publication date: March 30, 2023Inventors: Soon Gyu LEE, Hyun Wook CHO
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Patent number: 11614829Abstract: A display device according to some embodiments includes a display panel including a sensing area, touch electrodes in the sensing area, a fingerprint sensor overlapping at least a portion of the touch electrodes, and a sensor driver configured to drive the touch electrodes and the fingerprint sensor, wherein the sensor driver drives the touch electrodes in a first sensing mode or a second sensing mode depending on whether a foreign substance exists in a touch inputted to the sensing area, and drives the fingerprint sensor in a fingerprint sensing mode or a touch sensing mode.Type: GrantFiled: July 26, 2021Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventor: Soon Gyu Lee
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Patent number: 11614833Abstract: A display device includes a display panel for displaying an image, a touch sensor operating in one of a normal sensing mode in which a surface touch is recognized and a proximity sensing mode in which a hovering touch is recognized, and a touch driver for supplying a touch driving signal including a plurality of driving pulses to the touch sensor during a sensing period, and receiving a touch sensing signal from the touch sensor. In the proximity sensing mode, the touch driver sets a noise period including a first noise period and a second noise period in the sensing period, and decreases a number of times the driving pulses are supplied during the second noise period when it is determined that a variation of the image is greater than a predetermined reference variation.Type: GrantFiled: December 7, 2021Date of Patent: March 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Soon Gyu Lee
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Patent number: 11610431Abstract: A display device includes a display panel and a fingerprint authentication device disposed under the display panel. The fingerprint authentication device includes a sensor device and an optical filter. The sensor device includes a first area and a second area in a plan view and sensing light passing through the display panel. The optical filter is disposed between the display panel and the sensor device, overlaps the first area and does not overlap the second area in the plan view, and blocks the light of a certain wavelength range.Type: GrantFiled: March 29, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon Gyu Lee, Jin Woo Kim, Jin A Kang, Chung Won Choi